gPhoto is a program and library framework that lets users download pictures from their digital cameras. The libgphoto2 library gives you access to hundreds of models of digital cameras on several platforms.

Viking is a free/open source program to manage GPS data. You can import, plot and create tracks, routes and waypoints, show OSM, Bing Aerial and other maps, geotag images, see real-time GPS position (not in Windows), make maps using Mapnik (not in Windows), control items, etc.
It is written in mostly in C (with some C++) & the GTK+2 toolkit.

KMyMoney is the Personal Finance Manager for KDE. It operates similar to Quicken, supports various account types, categorization of expenses, multiple currencies, online banking support via QIF, OFX and HBCI, budgeting and a rich set of reports.

...a powerful, fast and reliable backup & sync tool.
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windows users,
note that luckybackup is originally developed for linux and the windows port (version) is under heavy development at the moment.
Please visit the following wiki for installation instructions & info:
http://www.bmtsolutions.us/wiki/doku.php?id=contrib:luckybackup-win
Feedback is more than welcome and will be appreciated, but please consider the above before you provide a negative review.
windows dedicated forum:
https://sourceforge.net/p/luckybackup/discussion/2264489/
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VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts. Such maps can help you to improve your creativity and effectivity. You can use them for time management, to organize tasks, to get an overview over complex contexts

Anope Services are built off of the original Epona code written by Lara which is built off of IRC Services. These services have advanced the original Epona code and include new features such as Modules, Mysql, and Defcon Mode.